Ilečić families are Croats and they are mostly from Jastrebarsko. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Jastrebarsko. In Belčići in Jastrebarsko every seventh inhabitant had the family name Ilečić.
Prevalence
About 80 people with faimily name Ilečić live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number increased by 50 percent. They are located in four Croatian counties and 11 other places, mostly in Sesvete (15), Zagreb (10), Velika Gorica (10), Dugo Selo (<10), and in Vukovina (<10).
Outside Croatia
Family name Ilečić is present in three countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.